Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1976-11-29
1979-03-13
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
D10 46, D1004
Patent
active
D02512874
REFERENCES:
patent: D121084 (1940-06-01), Warner
patent: D134171 (1942-10-01), Dauster
patent: D175591 (1955-09-01), Darr
patent: D242531 (1976-11-01), Guimond
patent: 3090871 (1963-05-01), Gorman
patent: 3999440 (1976-12-01), Kain
Delfino Joseph C.
Krivin Sydney
Holtje Nelson C.
Larson Roberts B.
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